CN107983753A - A kind of rubbish disperses pretreatment-centralized burning treatment process - Google Patents

A kind of rubbish disperses pretreatment-centralized burning treatment process Download PDF

Info

Publication number
CN107983753A
CN107983753A CN201711321799.4A CN201711321799A CN107983753A CN 107983753 A CN107983753 A CN 107983753A CN 201711321799 A CN201711321799 A CN 201711321799A CN 107983753 A CN107983753 A CN 107983753A
Authority
CN
China
Prior art keywords
rubbish
aerobic fermentation
pretreatment
foul smell
treatment process
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711321799.4A
Other languages
Chinese (zh)
Inventor
张云月
马强
章学庆
万杨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Guangda Energy Conservation And Environmental Protection Investment Co Ltd
Original Assignee
Sichuan Guangda Energy Conservation And Environmental Protection Investment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Guangda Energy Conservation And Environmental Protection Investment Co Ltd filed Critical Sichuan Guangda Energy Conservation And Environmental Protection Investment Co Ltd
Priority to CN201711321799.4A priority Critical patent/CN107983753A/en
Publication of CN107983753A publication Critical patent/CN107983753A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste into something useful or harmless
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B5/00Operations not covered by a single other subclass or by a single other group in this subclass
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P5/00Preparation of hydrocarbons or halogenated hydrocarbons
    • C12P5/02Preparation of hydrocarbons or halogenated hydrocarbons acyclic
    • C12P5/023Methane
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G7/00Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
    • F23G7/06Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/20Waste heat recuperation using the heat in association with another installation
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/30Fuel from waste, e.g. synthetic alcohol or diesel
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00Technologies relating to chemical industry
    • Y02P20/10Process efficiency
    • Y02P20/133Renewable energy sources, e.g. sunlight

Abstract

Disperse to pre-process centralized burning treatment process the invention discloses a kind of rubbish, comprise the following steps that:Crude waste is transported to several rubbish pre-treatment plants around incineration plant, derivatived fuel is prepared into each rubbish pre-treatment plant;Obtained derivatived fuel is transported to the power generation of incineration plant centralized burning again.The economic benefit of waste incineration and generating electricity can be significantly improved using the technique, reduces investment and the operation cost of waste incineration and generating electricity.

Description

A kind of rubbish disperses pretreatment-centralized burning treatment process
Technical field
The present invention relates to field of garbage disposal, and in particular to a kind of rubbish disperses pretreatment-centralized burning treatment process.
Background technology
It is a kind of technology of garbage disposal most thoroughly, hygienic to carry out power generation by waste combustion using rubbish, since it is with minimizing Degree is big, and processing procedure mechanization degree is high, and environment influences the advantages that small, is rapidly developed in China.Unfortunately, rubbish Power generation by waste combustion has relatively excessive investment and running cost so that its development receives a definite limitation, it is only economical at present compared with Developed regions are had ready conditions use, and existing garbage incineration technology pattern is designed primarily directed to crude waste is burned, and is deposited In problems with:
1) it is less economical to receive fortune
The receipts fortune economy of county (city) domain house refuse centralized processing, is mostly derived from population in the region of county density and big and medium-sized cities phase Than there is the difference of the order of magnitude, even in Cities in Yangtze River Delta collar region, the density of population of county-level city (area) also only up to 900~ 1500 people/km2, and the completed region of the city density of population of the same area is up to 15000~20000 people/km2.This results in county The service coverage product of (city) domain house refuse facility for the central disposal must significantly be more than the similar facility in big or middle city, because And garbage transporting distance, unit cost are high.
2) refuse thermal value is unstable
The food garbage component of high-moisture percentage is to influence the principal element of its Lower heat value, county (city) domain agriculture in house refuse The seasonal characteristics of village's food consumption are more more than city.Hence in so that change between the Lower heat value season of county (city) domain house refuse Amplitude bigger, be unfavorable for burning process stablizes progress.At present, county (city) level municipal solid waste incinerator of operation has been put into, to the greatest extent Pipe has still been continued to use stablizes its Lower heat value by refuse pit to increase method that moisture content leaches, but the effect stablized of calorific value and The cost of additional percolate processing, still has and very big improves leeway.
3) scale and benefit are not high
Waste incineration and generating electricity invests with having obvious large-scale production characteristic, and scale is bigger, and returns of investment are higher.It is general low 500 tons of scale treating capacities are handled in day, returns of investment will substantially be deteriorated.
The content of the invention
In order to solve the above-mentioned technical problem, the present invention disclose a kind of rubbish and disperses pretreatment-centralized burning treatment process, sharp The economic benefit of waste incineration and generating electricity can be significantly improved with the technique, reduces investment and the operation cost of waste incineration and generating electricity.
The present invention is achieved through the following technical solutions:
A kind of rubbish disperses pretreatment-centralized burning treatment process, comprises the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, is pre-processed in each rubbish Derivatived fuel is prepared into factory;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
Wherein, in the step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) it will be placed in by the crude waste of screening in aerobic fermentation device and carry out aerobic fermentation;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, selecting can Fire part;
(13) combustible constituent selected is prepared into derivatived fuel.
Wherein, in step (11), foul smell and the treatment process of percolate that aerobic fermentation produces are:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained Biogas is sent to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is temperature Too low aerobic fermentation device heats.
The aerobic fermentation device is equipped with incubation cavity, and the heat that biogas is produced with foul smell burning has been delivered to combustion product In the incubation cavity of aerobe fermentation device.
In the step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are through broken It can be sent after bag to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to fermentation after crushing Device processing.
The derivatived fuel is specially derivatived fuel rod.
At present, domestic each incineration plant generally employs drip in storage hole and removes moisture content to stablize the calorific value with improving crude waste Operation.According to the difference of crude waste moisture content (60%~70%), the yield of percolate reach rubbish 0.15 per ton~ 0.30 ton, the process of derivatived fuel is prepared by pretreatment of the present invention, the percolate generation that product enters incineration plant burning can be eliminated Link, meanwhile, the very small amount percolate that preprocessing process produces can produce biogas, gained after anaerobic ferment devices fermentation The foul smell mixed combustion that is produced in odor treating device with crude waste aerobic fermentation of biogas, while complete foul smell and natural pond The processing of gas, and can be to have after the high-temperature gas that produces of foul smell and biogas combustion is passed through the incubation cavity of aerobic fermentation device Aerobe fermentation device heats, and for winter low temperature environment, can effectively be kept the temperature for aerobic fermentation device, make internal crude waste All the time optimum fermentation temp is maintained, promotes the progress of fermentation fast and stable, shortens the aerobic fermentation cycle, stablizes and improves obtained Extension fuel calorific value.
In the prior art, usually biogas is used to generate electricity, prepares the purposes such as fuel cell and illumination, and the system of derivatived fuel In standby, the method for the foul smell generally use biological deodorization of the aerobic fermentation generation of crude waste is handled, and deodorization efficiency is low, into This height.
The present invention in derivatived fuel preparation, percolate that crude waste aerobic fermentation is produced through anaerobic ferment devices at Biogas, and the foul smell produced using biogas combustion aerobic fermentation are prepared after reason, while solves crude waste aerobic fermentation Percolate and Odor control problem, reduce percolate processing and the process of Odor control and the use of relevant device, no The efficiency of percolate and Odor control is improve only, also effectively reduces processing cost, and foul smell and biogas combustion produce After high-temperature gas is passed through aerobic fermentation device, moreover it is possible to kept the temperature for the aerobic fermentation of crude waste, promote the progress of aerobic fermentation, carry The preparation efficiency of high derivatived fuel.
A kind of rubbish aerobic fermentation-stench processing system, including aerobic fermentation device, the aerobic fermentation bottom of device It is connected by Guan Yuyi anaerobic ferment devices of leachate collection, and anaerobic ferment devices are used to ferment from aerobic fermentation device receipts The percolate of collection, aerobic fermentation device upside are connected with foul smell collecting pipe, and the foul smell collecting pipe other end connects a foul smell Processing unit, odor treating device are connected by conduit one with anaerobic ferment devices.
The aerobic fermentation device is specially fermentation cabin, and the fermentation cabin side wall and top plate are integral type, and side wall and top Incubation cavity is equipped with the middle part of plate, the incubation cavity is connected by conduit two with odor treating device, and fermentation cabin side wall is additionally provided with exhaust Pipe, the exhaust pipe are connected with incubation cavity.
Valve is equipped with the leachate collection pipe, foul smell collecting pipe, conduit one, conduit two and exhaust pipe, it is described smelly An air pump is respectively provided with gas collecting pipe and conduit two.
The aerobic fermentation device, anaerobic ferment devices, odor treating device are arranged in rubbish pre-treatment plant.
The present invention can also set humiture control device, humiture control device and each valve and air pump in fermentation cabin It is associated, and then realize automatically controlling for crude waste aerobic fermentation humiture.
Compared with prior art, the present invention have the following advantages and advantages:
1st, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, rubbish be made after derivatived fuel be reduced to The 30% of crude waste, makes refuse burning system capacity of incinerator improve three times, corresponding investment, operation cost substantially reduce;
2nd, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, can be from carrying by biological dewatered and sorting High reducing noncombustibles, glass content etc. improves the combustion quality into stove rubbish with stablizing Lower heat value, stablizes and improves The combustion quality of combustiblerefuse;
3rd, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, solves small scale and is difficult to concentrate rubbish The problem of burning, system and method using the present invention overcome rubbish source and disperse to concentrate rubbish caused by with administrative region splitting The problem of burning, by reasonable Arrangement garbage derivatived fuel factory, processing, the derivative of processing are collected by scattered rubbish Fuel is concentrated burned again, can substitute existing garbage transfer station function, and collecting refuse process is become cleaner, warp Ji, in addition, the rubbish in small towns can also be burned by this pattern, makes it possible town and country rubbish integrated treatment;
4th, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, shortens crude waste aerobic fermentation In the cycle, improve garbage treatment efficiency, and lifts the quality of crude waste aerobic fermentation, and then stablizes and improve derivatived fuel Calorific value;
5th, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, in derivatived fuel preparation, crude waste The percolate that aerobic fermentation produces prepares biogas after anaerobic ferment devices are handled, and is produced using biogas combustion aerobic fermentation The foul smell gone out, while solve the percolate of crude waste aerobic fermentation and the problem of Odor control, reduce percolate processing With the process of Odor control and the use of relevant device, the efficiency of percolate and Odor control is not only increased, is also effectively reduced Processing cost, and after the high-temperature gas that produces of foul smell and biogas combustion is passed through aerobic fermentation device, moreover it is possible to it is crude waste Aerobic fermentation insulation, promote the progress of aerobic fermentation, improve the preparation efficiency of derivatived fuel.
Brief description of the drawings
Attached drawing described herein is used for providing further understanding the embodiment of the present invention, forms one of the application Point, do not form the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is rubbish aerobic fermentation-stench processing system schematic diagram of the present invention;
Mark and corresponding parts title in attached drawing:
1- aerobic fermentation devices, 11- leachate collection pipes, 12- foul smell collecting pipes, 13- incubation cavities, 14- conduits two, 15- Exhaust pipe, 2- anaerobic ferment devices, 3- odor treating devices, 31- conduits one, 4- air pumps.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation are only used for explaining the present invention, do not make For limitation of the invention.
Embodiment 1
As shown in Figure 1, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, comprise the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, is pre-processed in each rubbish Derivatived fuel is prepared into factory;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
Wherein, in the step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) it will be placed in by the crude waste of screening in aerobic fermentation device and carry out aerobic fermentation;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, selecting can Fire part;
(13) combustible constituent selected is prepared into derivatived fuel.
Wherein, in step (11), foul smell and the treatment process of percolate that aerobic fermentation produces are:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained Biogas is sent to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is temperature Too low aerobic fermentation device heats.
In the step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are through broken It can be sent after bag to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to fermentation after crushing Device processing.
The derivatived fuel is specially derivatived fuel rod.
As shown in Fig. 2, a kind of rubbish aerobic fermentation-stench processing system, including aerobic fermentation device 1, the aerobic hair 1 bottom of ferment device is connected by leachate collection pipe 11 with an anaerobic ferment devices 2, and anaerobic ferment devices 2 are used to ferment The percolate collected from aerobic fermentation device 1, the upside of aerobic fermentation device 1 are connected with foul smell collecting pipe 12, and the foul smell is collected 12 other end of pipe connects an odor treating device 3, and odor treating device 3 is connected by conduit 1 with anaerobic ferment devices 2.
The aerobic fermentation device 1 is specially fermentation cabin, and the fermentation cabin side wall and top plate are integral type, and side wall and top Incubation cavity 13 is equipped with the middle part of plate, the incubation cavity 13 is connected by conduit 2 14 with odor treating device 3, and fermentation cabin side wall is also set There is exhaust pipe 15, the exhaust pipe 15 is connected with incubation cavity 13.
Valve is equipped with the leachate collection pipe 11, foul smell collecting pipe 12, conduit 1, conduit 2 14 and exhaust pipe 15 , it is respectively provided with an air pump 4 on the foul smell collecting pipe 12 and conduit 2 14.
The aerobic fermentation device 1, anaerobic ferment devices 2, odor treating device 3 are arranged in rubbish pre-treatment plant.
Embodiment 2
As shown in Figure 1, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, comprise the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, is pre-processed in each rubbish Derivatived fuel is prepared into factory;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
Wherein, in the step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) will by screening crude waste be placed in aerobic fermentation device carry out aerobic fermentation 72 it is small when;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, selecting can Fire part;
(13) combustible constituent selected is prepared into derivatived fuel rod.
Wherein, in step (11), foul smell and the treatment process of percolate that aerobic fermentation produces are:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained Biogas is sent to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device, in the present embodiment, when burning, controls natural pond The flow of gas, make foul smell and biogas weight ratio be 1:1 time burning;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is temperature Too low aerobic fermentation device heats.
In the step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are through broken It can be sent after bag to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to fermentation after crushing Device processing.
In the present embodiment technique, obtained derivatived fuel is reduced to 32%, inorganic inert thing for crude waste It is reduced to 10%;The calorific value of obtained derivatived fuel is 9000kJ/kg, ash content 4.3%, glass dregs content 0.7%.
And effectively shorten the time required to aerobic fermentation technique, percolate and Odor control totle drilling cost are reduced to original diafiltration The 30% of liquid and Odor control totle drilling cost.
Embodiment 3
As shown in Figure 1, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, comprise the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, is pre-processed in each rubbish Derivatived fuel is prepared into factory;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
Wherein, in the step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) will by screening crude waste be placed in aerobic fermentation device carry out aerobic fermentation 80 it is small when;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, selecting can Fire part;
(13) combustible constituent selected is prepared into derivatived fuel rod.
Wherein, in step (11), foul smell and the treatment process of percolate that aerobic fermentation produces are:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained Biogas is sent to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device, in the present embodiment, when burning, controls natural pond The flow of gas, make foul smell and biogas weight ratio be 1:0.8 time burning;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is temperature Too low aerobic fermentation device heats.
In the step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are through broken It can be sent after bag to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to fermentation after crushing Device processing.
In the present embodiment technique, obtained derivatived fuel is reduced to 32%, inorganic inert thing for crude waste It is reduced to 10%;The calorific value of obtained derivatived fuel is 8900kJ/kg, ash content 4.0%, glass dregs content 0.67%.
And effectively shorten the time required to aerobic fermentation technique, percolate and Odor control totle drilling cost are reduced to original diafiltration The 32% of liquid and Odor control totle drilling cost.
Embodiment 4
As shown in Figure 1, a kind of rubbish of the present invention disperses pretreatment-centralized burning treatment process, comprise the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, is pre-processed in each rubbish Derivatived fuel is prepared into factory;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
Wherein, in the step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) will by screening crude waste be placed in aerobic fermentation device carry out aerobic fermentation 82 it is small when;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, selecting can Fire part;
(13) combustible constituent selected is prepared into derivatived fuel rod.
Wherein, in step (11), foul smell and the treatment process of percolate that aerobic fermentation produces are:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained Biogas is sent to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device, in the present embodiment, when burning, controls natural pond The flow of gas, make foul smell and biogas weight ratio be 1:1.2 times burnings;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is temperature Too low aerobic fermentation device heats.
In the step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are through broken It can be sent after bag to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to fermentation after crushing Device processing.
In the present embodiment technique, obtained derivatived fuel is reduced to 32%, inorganic inert thing for crude waste It is reduced to 10%;The calorific value of obtained derivatived fuel is 9200kJ/kg, ash content 4.5%, glass dregs content 0.66%.
And effectively shorten the time required to aerobic fermentation technique, percolate and Odor control totle drilling cost are reduced to original diafiltration The 35% of liquid and Odor control totle drilling cost.
Above-described embodiment, has carried out the purpose of the present invention, technical solution and beneficial effect further Describe in detail, it should be understood that the foregoing is merely the embodiment of the present invention, be not intended to limit the present invention Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution, improvement and etc. done, should all include Within protection scope of the present invention.

Claims (6)

1. a kind of rubbish disperses pretreatment-centralized burning treatment process, it is characterised in that comprises the following steps that:
(1) crude waste is transported to several rubbish pre-treatment plants around incineration plant, in each rubbish pre-treatment plant It is prepared into derivatived fuel;
(2) obtained derivatived fuel in step (1) is transported to the power generation of incineration plant centralized burning.
2. a kind of rubbish according to claim 1 disperses pretreatment-centralized burning treatment process, it is characterised in that described In step (1), the method that crude waste is prepared into derivatived fuel in rubbish pre-treatment plant is:
(11) it will be placed in by the crude waste of screening in aerobic fermentation device and carry out aerobic fermentation;
(12) the desiccation product obtained by aerobic fermentation in step (11) is sent to sorting unit and carries out sorting process, select flammable portion Point;
(13) combustible constituent selected is prepared into derivatived fuel.
3. a kind of rubbish according to claim 2 disperses pretreatment-centralized burning treatment process, it is characterised in that step (11) in, the aerobic fermentation can produce foul smell and percolate, and the treatment process of foul smell and percolate is as follows:
A, the percolate that aerobic fermentation produces is sent to anaerobic ferment devices progress anaerobic fermentation and prepares biogas, by gained biogas Send to odor treating device;
B, the foul smell that aerobic fermentation produces is collected and is delivered to odor treating device;
C, the mixed gas of biogas and foul smell fully in burning odor treating device;
D, by odor treating device, the heat that biogas is produced with foul smell burning is delivered to aerobic fermentation device, is that temperature is too low Aerobic fermentation device heat.
4. a kind of rubbish according to claim 2 disperses pretreatment-centralized burning treatment process, it is characterised in that described In step (11), the screening of crude waste comprises the following steps:
A, crude waste is sent into feeding equipment, and carries out pretreatment and remove thick rubbish, other tiny rubbish are after broken bag It can send to installation for fermenting processing;
B, artificial separation is carried out to the thick rubbish of removing, the combustiblerefuse sub-elected can be sent to installation for fermenting after crushing Processing.
5. a kind of rubbish according to claim 2 disperses pretreatment-centralized burning treatment process, it is characterised in that described Derivatived fuel is specially derivatived fuel rod.
6. a kind of rubbish according to claim 3 disperses pretreatment-centralized burning treatment process, it is characterised in that step D In, the aerobic fermentation device is equipped with incubation cavity, and the heat that biogas is produced with foul smell burning is delivered to aerobic hair with combustion product In the incubation cavity of ferment device.
CN201711321799.4A 2017-12-12 2017-12-12 A kind of rubbish disperses pretreatment-centralized burning treatment process Pending CN107983753A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711321799.4A CN107983753A (en) 2017-12-12 2017-12-12 A kind of rubbish disperses pretreatment-centralized burning treatment process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711321799.4A CN107983753A (en) 2017-12-12 2017-12-12 A kind of rubbish disperses pretreatment-centralized burning treatment process

Publications (1)

Publication Number Publication Date
CN107983753A true CN107983753A (en) 2018-05-04

Family

ID=62036036

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711321799.4A Pending CN107983753A (en) 2017-12-12 2017-12-12 A kind of rubbish disperses pretreatment-centralized burning treatment process

Country Status (1)

Country Link
CN (1) CN107983753A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757452A (en) * 2004-10-05 2006-04-12 张四灿 Method for treatment of urban garbage
CN101168163A (en) * 2007-11-13 2008-04-30 光大环保工程技术(深圳)有限公司 Method for sectional processing living garbage
CN104030738A (en) * 2013-03-05 2014-09-10 习建华 Resource-based and harmless treatment method for kitchen waste
CN104649513A (en) * 2015-01-07 2015-05-27 中国电器科学研究院有限公司 Resourceful treatment system for municipal domestic wastewater and organic waste
CN105886330A (en) * 2014-12-11 2016-08-24 北京中科洁能环境工程技术有限公司 Municipal domestic solid waste integrated treatment process system
US20170248309A1 (en) * 2013-01-17 2017-08-31 Pond Technologies Inc. Process for managing photobioreactor exhaust

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1757452A (en) * 2004-10-05 2006-04-12 张四灿 Method for treatment of urban garbage
CN101168163A (en) * 2007-11-13 2008-04-30 光大环保工程技术(深圳)有限公司 Method for sectional processing living garbage
US20170248309A1 (en) * 2013-01-17 2017-08-31 Pond Technologies Inc. Process for managing photobioreactor exhaust
CN104030738A (en) * 2013-03-05 2014-09-10 习建华 Resource-based and harmless treatment method for kitchen waste
CN105886330A (en) * 2014-12-11 2016-08-24 北京中科洁能环境工程技术有限公司 Municipal domestic solid waste integrated treatment process system
CN104649513A (en) * 2015-01-07 2015-05-27 中国电器科学研究院有限公司 Resourceful treatment system for municipal domestic wastewater and organic waste

Similar Documents

Publication Publication Date Title
CN103381420B (en) Device and method for sewage collaborative reutilization comprehensive treatment
Chen et al. Status and prospects of rural biogas development in China
CN102500604B (en) Household solid garbage recycling and renewable biological carbon circulating technology
CN206716713U (en) A kind of city organic solid castoff energy resource processing system
CN105057311B (en) The Integrated Processing Unit and method of a kind of kitchen garbage
CN104646390A (en) High-efficiency low-energy-consumption kitchen garbage comprehensive treatment method
CN201883042U (en) Column-type anaerobic-aerobic integrated fermentation device
Wang et al. Advances in biogas technology
CN109539270A (en) Town and country solid waste rubbish integrated processing method and system
CN205065727U (en) City solid waste burns power generation system in coordination
CN107513540A (en) A kind of integrated form anaerobic ferment process and system
CN100560235C (en) Biological and the burning disposal integrated technique of dewatered city domestic garbage
CN103708693B (en) A kind of municipal sewage treatment produce digestion system and the method for mud
CN208649073U (en) Kitchen garbage harmless treatment and resource utilization system
CN103194314B (en) Method for treating waste oil
CN206256023U (en) A kind of domestic garbage treating system based on microwave cracking
CN105665420A (en) Carbohydrate biomass waste and/or household garbage resourceful treatment method
CN207685272U (en) A kind of device for manufacturing generative fuel
CN106140780B (en) A kind of domestic garbage treating system
CN100571912C (en) Biological and the gasification process integrated technique of dewatered city domestic garbage
CN107983753A (en) A kind of rubbish disperses pretreatment-centralized burning treatment process
CN110015914A (en) A kind of function room handling rural area rubbish from cooking
CN105149323B (en) Process and device for quickly comprehensively treating household garbage
CN106947785A (en) Make organic domestic waste fast and stable and lift the landfill stabilization method of methane production
CN102643693A (en) Process for producing biogas by utilizing methane-straw gas coproduction device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180504